World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
31
Citations
4893
World Ranking
11141
National Ranking
5827

Gregory A. Gahm publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Gregory A. Gahm sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 78 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Gregory A. Gahm D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Gregory A. Gahm sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 31 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

Gregory A. Gahm is affiliated with the Madigan Army Medical Center in the United States. Their research primarily focuses on medicine, with specific attention to infectious diseases, general health professions, pulmonary and respiratory medicine, and clinical psychology.

The main topics covered in their work include:

  • Geriatric Care and Nursing Homes
  • SARS-CoV-2 detection and testing
  • COVID-19 Clinical Research Studies
  • Infection Control and Ventilation
  • COVID-19 and Mental Health

The scientist has contributed to the following recent papers:

  • Longitudinal Surveillance for SARS-CoV-2 RNA Among Asymptomatic Staff in Five Colorado Skilled Nursing Facilities: Epidemiologic, Virologic and Sequence Analysis, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Changes in physiological reactivity in response to the trauma memory during prolonged exposure and virtual reality exposure therapy for posttraumatic stress disorder., 2020, Psychological Trauma Theory Research Practice and Policy
  • Longitudinal Surveillance for SARS-CoV-2 Among Staff in Six Colorado Long Term Care Facilities: Epidemiologic, Virologic and Sequence Analysis, 2020, SSRN Electronic Journal
  • A Perfect Fit, 2020, Caring for the Ages

Frequent co-authors in their research include:

  • Kendra M. Quicke
  • Emily N. Gallichotte
  • Nicole R. Sexton
  • Michael C. Young
  • Ashley J. Janich

Gregory A. Gahm's work has been published in a variety of venues, with frequent publications appearing in:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Psychological Trauma Theory Research Practice and Policy
  • SSRN Electronic Journal
  • Caring for the Ages

Best Publications

  • The impact of reported direct and indirect killing on mental health symptoms in Iraq war veterans.

    Shira Maguen;Barbara A. Lucenko;Mark A. Reger;Gregory A. Gahm

  • Suicide risk among 1.3 million veterans who were on active duty during the Iraq and Afghanistan wars.

    Han K. Kang;Tim A. Bullman;Derek J. Smolenski;Nancy A. Skopp

  • A meta-analysis of the effects of Internet- and computer-based cognitive-behavioral treatments for anxiety

    Mark A. Reger;Gregory A. Gahm

  • Risk of Suicide Among US Military Service Members Following Operation Enduring Freedom or Operation Iraqi Freedom Deployment and Separation From the US Military

    Mark A. Reger;Derek J. Smolenski;Nancy A. Skopp;Melinda J. Metzger-Abamukang

  • Killing in combat, mental health symptoms, and suicidal ideation in Iraq war veterans

    Shira Maguen;Shira Maguen;David D. Luxton;Nancy A. Skopp;Gregory A. Gahm

  • Randomized controlled trial of prolonged exposure using imaginal exposure vs. virtual reality exposure in active duty soldiers with deployment-related posttraumatic stress disorder (PTSD).

    Greg M. Reger;Patricia Koenen-Woods;Kimberlee Zetocha;Derek J. Smolenski

  • Effectiveness of virtual reality exposure therapy for active duty soldiers in a military mental health clinic

    Greg M. Reger;Kevin M. Holloway;Colette Candy;Barbara O. Rothbaum

  • Civilian Psychologists in an Army Culture: The Ethical Challenge of Cultural Competence

    Mark A. Reger;Joseph R. Etherage;Greg M. Reger;Gregory A. Gahm

  • Virtual reality exposure therapy for active duty soldiers.

    Greg M. Reger;Gregory A. Gahm

  • Soldier attitudes about technology-based approaches to mental health care.

    Jaime A. B. Wilson;Kristin Onorati;Matt Mishkind;Mark A. Reger

  • Association between number of deployments to Iraq and mental health screening outcomes in US Army soldiers.

    Mark A. Reger;Gregory A. Gahm;Robert D. Swanson;Susan J. Duma

  • Confirmatory factor analysis of the Posttraumatic Growth Inventory with a sample of soldiers previously deployed in support of the Iraq and Afghanistan wars.

    Jocelyn A. Lee;David D. Luxton;Greg M. Reger;Gregory A. Gahm

  • Department of Defense Suicide Event Report (DoDSER) Calendar Year 2010 Annual Report

    Derek J Smolensky;Mark A Reger;Nigel E Bush;Nancy A Skopp

  • VR PTSD exposure therapy results with active duty OIF/OEF combatants.

    Albert A. Rizzo;JoAnn Difede;Barbara O. Rothbaum;Scott Johnston

  • Home-based telebehavioral health for U.S. military personnel and veterans with depression: A randomized controlled trial.

    David D Luxton;Larry D Pruitt;Amy Wagner;Derek J Smolenski

  • Department of Defense Suicide Event Report (DoDSER) Calendar Year 2010 Annual Report

    Unknown

  • Anger and Postcombat Mental Health: Validation of a Brief Anger Measure With U.S. Soldiers Postdeployed From Iraq and Afghanistan

    Raymond W. Novaco;Robert D. Swanson;Oscar I. Gonzalez;Gregory A. Gahm

  • The impact of childhood abuse and combat‐related trauma on postdeployment adjustment

    April M. Fritch;Matt Mishkind;Mark A. Reger;Gregory A. Gahm

  • The role of intimate relationships, appraisals of military service, and gender on the development of posttraumatic stress symptoms following Iraq deployment.

    Nancy A. Skopp;Mark A. Reger;Greg M. Reger;Matthew C. Mishkind

  • Soldier evaluation of the virtual reality Iraq.

    Greg M. Reger;Gregory A. Gahm;Albert A. Rizzo;Robert Swanson

  • Relations between suicide and traumatic brain injury, psychiatric diagnoses, and relationship problems, active component, U.S. Armed Forces, 2001-2009

    Nancy A. Skopp;Lily Trofimovich;Jamie B. Grimes;Lynne Oetjen-Gerdes

  • A psychometric study of the Suicide Ideation Scale.

    David D Luxton;M David Rudd;Mark A Reger;Gregory A Gahm

  • Anger intensification with combat-related PTSD and depression comorbidity.

    Oscar I. Gonzalez;Raymond W. Novaco;Mark A. Reger;Gregory A. Gahm

Frequent Co-Authors

Mark A. Reger
Mark A. Reger University of Washington
Derek J. Smolenski
Derek J. Smolenski Defense Health Agency
Albert Rizzo
Albert Rizzo University of Southern California
David D. Luxton
David D. Luxton University of Washington
Barbara O. Rothbaum
Barbara O. Rothbaum Emory University
JoAnn Difede
JoAnn Difede Cornell University
Nancy R. Temkin
Nancy R. Temkin University of Washington
Murray B. Stein
Murray B. Stein University of California, San Diego
Shira Maguen
Shira Maguen University of California, San Francisco
Ariel J. Lang
Ariel J. Lang University of California, San Diego

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